I believe you use apostrophes for the quote within the quotes.
"And then Snake said, 'Life isn't just about passing on your genes.'"I think.
also SORRY I HAVEN'T READ YOUR STORY YET I HAVEN'T HAD THE TIME
I need help, friends. If somebody is talking in the text, you use quotation marks, I got that. What do you do if that person that begins to quote somebody else? Do you put that quote in the marks too?